1. To display the hire date and commission page items and labels only when the job item is set to "SALESMAN", create a dynamic action on the job item that specifies a client-side condition of "Item=Value" where the value is "SALESMAN". This will show/hide the other items.
2. REST Data Sources use the PUT HTTP method to update records in the EMP table on the remote database when records are updated in an interactive grid using that REST Data Source.
3. The Access Control feature automatically creates an administrative page region with links to access control pages and a configuration page to set access levels for authenticated users.